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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Hanfbach</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><table class="toptextcells infobox vorlage-infobox-fluss float-right" style="margin-top:0; font-size:95%; width:350px;" id="Vorlage_Infobox_Fluss">
<tbody><tr>
<td colspan="3" style="background:#AFBDF0; color:#202122; text-align:center;"><span style="font-size:120%"><b>Hanfbach</b></span><br>Oberlauf: <i>Irmerother Bach</i>
</td></tr>
<tr>
<td colspan="3" style="text-align:center; font-size:90%; background:#EFF1FC; color:#202122; padding:2px">
<p>Hennef, Hanfbach, in der Nähe von Lanzenbach, Luftaufnahme
</p>
</td></tr>
<tr>
<td colspan="3" style="background:#B2BCF0; color:#202122; text-align:center">Daten
</td></tr>
<tr>
<td style="background:#EFF1FC; color:#202122;"><a href="Nummerierung_von_Gew%C3%A4ssern" title="Nummerierung von Gewässern">Gewässerkennzahl</a>
</td>
<td colspan="2"><a href="Gew%C3%A4sserkennzahl_(Deutschland)" title="Gewässerkennzahl (Deutschland)">DE</a>: 27272
</td></tr>
<tr>
<td style="background:#EFF1FC; color:#202122;">Lage
</td>
<td colspan="2"><a href="Rheinland-Pfalz" title="Rheinland-Pfalz">Rheinland-Pfalz</a> und <a href="Nordrhein-Westfalen" title="Nordrhein-Westfalen">Nordrhein-Westfalen</a>, <a href="Deutschland" title="Deutschland">Deutschland</a>
</td></tr>
<tr>
<td style="background:#EFF1FC; color:#202122;"><a href="Flusssystem" title="Flusssystem">Flusssystem</a>
</td>
<td colspan="2"><a href="Rhein" title="Rhein">Rhein</a>
</td></tr>
<tr>
<td style="vertical-align:top; background:#EFF1FC; color:#202122;">Abfluss über
</td>
<td colspan="2"><a href="Sieg_(Fluss)" title="Sieg (Fluss)">Sieg</a> → <a href="Rhein" title="Rhein">Rhein</a> → <a href="Nordsee" title="Nordsee">Nordsee</a>
</td></tr>
<tr>
<td style="background:#EFF1FC; color:#202122;"><a href="Quelle" title="Quelle">Quelle</a>
</td>
<td colspan="2">Östlich von <a href="Buchholz_(Westerwald)" title="Buchholz (Westerwald)">Buchholz</a>-Irmeroth<small><br><span id="Quelle_Hanfbach" class="coordinates -print"><a class="external text" href="geo:50.70499,7.426847"><span title="Breitengrad">50° 42′ 18″ <abbr title="Nord">N</abbr></span>, <span title="Längengrad">7° 25′ 37″ <abbr title="Ost">O</abbr></span></a></span><span class="geo noexcerpt" style="display:none"><span class="body"></span><span class="latitude">50.70499</span><span class="longitude">7.426847</span><span class="elevation">273</span></span></small>
</td></tr>
<tr>
<td style="vertical-align:top; background:#EFF1FC; color:#202122;"><a href="H%C3%B6he_%C3%BCber_dem_Meeresspiegel" title="Höhe über dem Meeresspiegel">Quellhöhe</a>
</td>
<td colspan="2">ca. <span style="border-width:0px; padding:0px; margin:0px;">273 <abbr title="Meter über Normalhöhennull">m ü. <a href="Normalh%C3%B6hennull" title="Normalhöhennull">NHN</a></abbr></span><sup id="cite_ref-DE-RP_LANDIS-Karte_1-0" class="reference"><a href="#cite_note-DE-RP_LANDIS-Karte-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</td></tr>
<tr>
<td style="background:#EFF1FC; color:#202122;"><a href="M%C3%BCndung_(Gew%C3%A4sser)" title="Mündung (Gewässer)">Mündung</a>
</td>
<td colspan="2">In <a href="Hennef_(Sieg)" title="Hennef (Sieg)">Hennef</a> in die <a href="Sieg_(Fluss)" title="Sieg (Fluss)">Sieg</a><span class="geo noexcerpt" style="display:none"><span class="body"></span><span class="latitude">50.773705555556</span><span class="longitude">7.2899416666667</span><span class="elevation">66</span></span><span id="coordinates" class="coordinates -print"><span title="Koordinatensystem WGS84">Koordinaten: </span><a class="external text" href="geo:50.773705555556,7.2899416666667"><span title="Breitengrad">50° 46′ 25″ <abbr title="Nord">N</abbr></span>, <span title="Längengrad">7° 17′ 24″ <abbr title="Ost">O</abbr></span></a></span><small><br><span id="Mündung_Hanfbach" class="coordinates -print"><a class="external text" href="geo:50.773705555556,7.2899416666667"><span title="Breitengrad">50° 46′ 25″ <abbr title="Nord">N</abbr></span>, <span title="Längengrad">7° 17′ 24″ <abbr title="Ost">O</abbr></span></a></span><span class="geo noexcerpt" style="display:none"><span class="body"></span><span class="latitude">50.773705555556</span><span class="longitude">7.2899416666667</span><span class="elevation">66</span></span></small>
</td></tr>
<tr>
<td style="vertical-align:top; background:#EFF1FC; color:#202122;"><a href="H%C3%B6he_%C3%BCber_dem_Meeresspiegel" title="Höhe über dem Meeresspiegel">Mündungshöhe</a>
</td>
<td colspan="2"><span style="border-width:0px; padding:0px; margin:0px;">66 <abbr title="Meter über Normalhöhennull">m ü. <a href="Normalh%C3%B6hennull" title="Normalhöhennull">NHN</a></abbr></span><sup id="cite_ref-DGK5_2-0" class="reference"><a href="#cite_note-DGK5-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</td></tr>
<tr>
<td style="background:#EFF1FC; color:#202122;">Höhenunterschied
</td>
<td colspan="2">ca. 207 m
</td></tr>
<tr>
<td style="background:#EFF1FC; color:#202122;"><a href="Sohlgef%C3%A4lle" title="Sohlgefälle">Sohlgefälle</a>
</td>
<td colspan="2">ca. 11 ‰
</td></tr>
<tr>
<td style="vertical-align:top; background:#EFF1FC; color:#202122;">Länge
</td>
<td colspan="2">19 km<sup id="cite_ref-DE-NW_GSK3C_3-0" class="reference"><a href="#cite_note-DE-NW_GSK3C-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
</td></tr>
<tr>
<td style="vertical-align:top; background:#EFF1FC; color:#202122;"><a href="Einzugsgebiet" title="Einzugsgebiet">Einzugsgebiet</a>
</td>
<td colspan="2">51,495 km²<sup id="cite_ref-TIM_4-0" class="reference"><a href="#cite_note-TIM-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
</td></tr>
<tr>
<td style="vertical-align:top; background:#EFF1FC; color:#202122;"> <a href="Abfluss" title="Abfluss">Abfluss</a> am Pegel Geisbach<sup id="cite_ref-Pegel_5-0" class="reference"><a href="#cite_note-Pegel-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><br><a href="Einzugsgebiet" title="Einzugsgebiet">A<sub>Eo</sub></a>: 48,9 km²<br>Lage: 1,37 km<small> oberhalb der Mündung</small>
</td>
<td style="vertical-align:top; white-space:nowrap"><a href="Abfluss#NNQ" title="Abfluss">NNQ<small> (1976-08-26)</small></a><br><a href="Abfluss#MNQ" title="Abfluss">MNQ 1976/2007</a><br><a href="Abfluss#MQ" title="Abfluss">MQ 1976/2007</a><br><small><a href="Abflussspende" title="Abflussspende">Mq 1976/2007</a><br></small><a href="Abfluss#MHQ" title="Abfluss">MHQ 1976/2007</a><br><a href="Abfluss#HHQ" title="Abfluss">HHQ<small> (1992-06-20)</small></a>
</td>
<td style="vertical-align:top; text-align:right; white-space:nowrap">35 l/s<br>81 l/s<br>567 l/s<br><small>11,6 l/(s km²)<br></small>12,7 m³/s<br>43,2 m³/s
</td></tr>
<tr>
<td colspan="3" style="text-align:center; font-size:90%; background:#EFF1FC; color:#202122; padding:2px">
</td></tr>
<tr>
<td colspan="3" style="text-align:center; font-size:smaller; background:#EFF1FC; color:#202122; padding:2px">
<p>Die ehemalige <a href="Grube_Silistria" title="Grube Silistria">Grube Silistria</a> förderte bis 1891 <a href="Zinkblende" class="mw-redirect" title="Zinkblende">Zinkblende</a> und <a href="Bleierz" class="mw-redirect" title="Bleierz">Bleierze</a> im Hanfbachtal.
</p>
</td></tr></tbody></table>
<p>Der <b>Hanfbach</b> ist ein <a href="Orographisch_links_und_rechts" title="Orographisch links und rechts">linker</a> Zufluss der <a href="Sieg_(Fluss)" title="Sieg (Fluss)">Sieg</a>. Er entspringt in <a href="Rheinland-Pfalz" title="Rheinland-Pfalz">Rheinland-Pfalz</a> etwa 800 Meter nordwestlich der Ortschaft <a href="Griesenbach" title="Griesenbach">Griesenbach</a> auf rund <span style="border-width:0px; padding:0px; margin:0px;">273 <abbr title="Meter über Normalhöhennull">m ü. <a href="Normalh%C3%B6hennull" title="Normalhöhennull">NHN</a></abbr></span> als <i>Irmerother Bach</i>. Nahe der Ortschaft <a href="Buchholz_(Westerwald)" title="Buchholz (Westerwald)">Buchholz</a>-Mendt vereinigt er sich mit dem Mendter Bach und trägt ab hier den Namen <i>Hanfbach</i>. Er mündet in <a href="Hennef_(Sieg)" title="Hennef (Sieg)">Hennef</a> auf einer Höhe von <span style="border-width:0px; padding:0px; margin:0px;">66 <abbr title="Höhe über dem Meeresspiegel">m</abbr></span>. Seine Länge beträgt über 19 km, davon fließen 13,6 km in <a href="Nordrhein-Westfalen" title="Nordrhein-Westfalen">Nordrhein-Westfalen</a>. Der Hanfbach durchfließt das <a href="Naturschutzgebiet_(Deutschland)" title="Naturschutzgebiet (Deutschland)">Naturschutzgebiet</a> <i>Hanfbach und Zuflüsse</i>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>
</p><p>Auch wenn der Bach früher die sogenannte Hanfmühle antrieb, hat der Name nichts mit Hanf bzw. Hanfanbau in diesem Gebiet zu tun. Er wurde 948 erstmals urkundlich erwähnt<sup id="cite_ref-Hanfbach_7-0" class="reference"><a href="#cite_note-Hanfbach-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> und Forscher gehen davon aus, dass der Name sich über <i>hanapha (hanafa)</i> vom germanischen <i>hanan</i> (singen, tönen) und <i><a href="-apa" title="-apa">apa</a></i> (Fluss, Wasser) abgeleitet hat. Er könnte also so viel wie <i>tönender Fluss</i> bedeutet haben.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> In der Tat verwandelt sich der Hanfbach bei starken Regenfällen in ein reißendes Gewässer und der Höhenunterschied von der Quelle bis zur Mündung ist mit ca. 207 m auf 13 km auch recht beachtlich.
</p><p>Zudem leitet sich der Name der Stadt <a href="Hennef_(Sieg)" title="Hennef (Sieg)">Hennef</a> von diesem Bach ab. Früher hieß der Ort <i>Hannafo</i>.
</p><p>Außerdem liegen im über 51 km² großen Wassereinzugsgebiet des Hanfbaches die Ortschaften
</p>
<ul><li><a href="Buchholz_(Westerwald)" title="Buchholz (Westerwald)">Buchholz</a> mit den Ortsteilen <a href="Mendt_(Buchholz)" title="Mendt (Buchholz)">Mendt</a>, <a href="K%C3%B6lsch-B%C3%BCllesbach" title="Kölsch-Büllesbach">Kölsch-Büllesbach</a>, <a href="Griesenbach" title="Griesenbach">Griesenbach</a>, <a href="Krautscheid_(Buchholz)" title="Krautscheid (Buchholz)">Krautscheid</a>, <a href="Irmeroth" title="Irmeroth">Irmeroth</a>, <a href="Jungeroth" title="Jungeroth">Jungeroth</a>, <a href="Hammelshahn" title="Hammelshahn">Hammelshahn</a>, Seifen, Werthenbruch und Priesterberg (alle <a href="Rheinland-Pfalz" title="Rheinland-Pfalz">Rheinland-Pfalz</a>)</li>
<li><a href="Hanf_(Hennef)" title="Hanf (Hennef)">Hanf</a>, <a href="K%C3%B6schbusch" title="Köschbusch">Köschbusch</a>, <a href="Eulenberg_(Hennef)" title="Eulenberg (Hennef)">Eulenberg</a>, <a href="Knippgierscheid" title="Knippgierscheid">Knippgierscheid</a>, <a href="Scheuren_(Hennef)" title="Scheuren (Hennef)">Scheuren</a>, <a href="Hove_(Hennef)" title="Hove (Hennef)">Hove</a>, <a href="Uckerath" title="Uckerath">Uckerath</a>, <a href="Hollenbusch" title="Hollenbusch">Hollenbusch</a>, <a href="H%C3%BCchel" title="Hüchel">Hüchel</a>, <a href="Heckelsberg" title="Heckelsberg">Heckelsberg</a>, <a href="Derenbach_(Hennef)" title="Derenbach (Hennef)">Derenbach</a>, <a href="Wiersberg" title="Wiersberg">Wiersberg</a>, <a href="Hermesm%C3%BChle" title="Hermesmühle">Hermesmühle</a>, <a href="Wiederschall" title="Wiederschall">Wiederschall</a>, <a href="Kurscheid" title="Kurscheid">Kurscheid</a>, <a href="Westerhausen_(Hennef)" title="Westerhausen (Hennef)">Westerhausen</a>, <a href="Hofen_(Hennef)" title="Hofen (Hennef)">Hofen</a>, <a href="Kurenbach_(Hennef)" title="Kurenbach (Hennef)">Kurenbach</a>, <a href="R%C3%BCtsch" title="Rütsch">Rütsch</a>, <a href="Kuchenbach" title="Kuchenbach">Kuchenbach</a>, <a href="Lanzenbach_(Hennef)" title="Lanzenbach (Hennef)">Lanzenbach</a>, <a href="Hommerich_(Hennef)" title="Hommerich (Hennef)">Hommerich</a>, <a href="Sch%C3%A4cher_(Hennef)" title="Schächer (Hennef)">Schächer</a>, <a href="Theishohn" title="Theishohn">Theishohn</a>, <a href="Michelshohn" title="Michelshohn">Michelshohn</a>, <a href="Petershohn" title="Petershohn">Petershohn</a>, <a href="Geisbach_(Hennef)" title="Geisbach (Hennef)">Geisbach</a>, <a href="K%C3%BCmpel_(Hennef)" title="Kümpel (Hennef)">Kümpel</a>, <a href="S%C3%B6ven" title="Söven">Söven</a>, <a href="Wippenhohn" title="Wippenhohn">Wippenhohn</a> und <a href="Edgoven" title="Edgoven">Edgoven</a> der Stadt <a href="Hennef" class="mw-redirect" title="Hennef">Hennef</a>, sowie die Ortsteile <a href="Eudenbach" title="Eudenbach">Eudenbach</a>, Schnepperoth, <a href="Willmeroth_(K%C3%B6nigswinter)" title="Willmeroth (Königswinter)">Willmeroth</a>, <a href="Bennerscheid" title="Bennerscheid">Bennerscheid</a> und <a href="Kotthausen_(K%C3%B6nigswinter)" class="mw-redirect" title="Kotthausen (Königswinter)">Kotthausen</a> der Stadt <a href="K%C3%B6nigswinter" title="Königswinter">Königswinter</a> (alle <a href="Nordrhein-Westfalen" title="Nordrhein-Westfalen">Nordrhein-Westfalen</a>)</li></ul>
<div class="sieheauch" role="navigation" style="font-style:italic;"><span class="sieheauch-text">Siehe auch</span>: <a href="Grube_Silistria" title="Grube Silistria">Grube Silistria</a></div>
<div class="mw-heading mw-heading2"><h2 id="Einzugsgebiet_und_Zuflüsse"><span id="Einzugsgebiet_und_Zufl.C3.BCsse"></span>Einzugsgebiet und Zuflüsse</h2></div>
<p>Das <a href="Einzugsgebiet" title="Einzugsgebiet">Einzugsgebiet</a> des Hanfbachs ist 51,495 km² groß und entwässert über Sieg und Rhein in die Nordsee.
</p>
<table class="wikitable sortable toptextcells tabelle-kopf-fixiert" style="text-align:center;">
<caption style="padding-bottom:0.5em">Zuflüsse des Hanfbachs<sup id="cite_ref-DE-NW_GSK3C_3-1" class="reference"><a href="#cite_note-DE-NW_GSK3C-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
</caption>
<tbody><tr style="vertical-align:top;">
<th style="background-color: #CEDAF2;"><abbr title="Stationierung (auch Kilometrierung), die Entfernung von der Flussmündung aufwärts bis zu diesem Zufluss.">Stat.</abbr><span style="font-weight:normal;"> <br><span style="white-space:nowrap;">in km</span></span>
</th>
<th style="background-color: #CEDAF2;">Name
</th>
<th style="background-color: #CEDAF2;"><a href="Gew%C3%A4sserkennzahl_(Deutschland)" title="Gewässerkennzahl (Deutschland)">GKZ</a><span style="font-weight:normal;"><sup id="cite_ref-GKZFN_9-0" class="reference"><a href="#cite_note-GKZFN-9"><span class="cite-bracket">[</span>Z 1<span class="cite-bracket">]</span></a></sup></span>
</th>
<th style="background-color: #CEDAF2;"><abbr title="Zuflussrichtung von">Lage</abbr>
</th>
<th style="background-color: #CEDAF2;">Länge<span style="font-weight:normal;"><br><span style="white-space:nowrap;">in km</span></span></th>
<th style="background-color: #CEDAF2;"><a href="Einzugsgebiet" title="Einzugsgebiet">EZG</a><span style="font-weight:normal;"><br><span style="white-space:nowrap;">in km²</span></span></th>
<th style="background-color: #CEDAF2;">Mündung<span style="font-weight:normal;"></span>
</th></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>17,6<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left;">Oberscheider Bach (Quelle: <a href="Druden-Born" title="Druden-Born">Druden-Born</a>)
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-114</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,052<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left"> Mendt
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>17,5<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Mendter Bach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-12</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,557<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>1,227<span style="visibility:hidden;">0</span></td>
<td style="text-align:left"> Mendt
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>17,4<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Steinberg Bach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-132</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,113<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>15,2<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Buchholzer Bach (Liesbach)
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-14</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,031<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>14,8<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Louisengraben
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-152</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,473<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>14,6<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Solbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-16</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,86<span style="visibility:hidden;">0</span><span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left"> Seifen
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>14,2<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Krautscheider Bach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-172</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,129<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left"> Seifen
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>13,7<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Krummenaster Bach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-18</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>2,228<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>2,104<span style="visibility:hidden;">0</span></td>
<td style="text-align:left"> Seifen
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>13,3<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">N. N.
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-1912</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>0,959<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>12,8<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Wertenbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-192</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>2,006<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left"> Kotthausen
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>11,8<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Eudenbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-2</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>4,099<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>3,233<span style="visibility:hidden;">0</span></td>
<td style="text-align:left"> Hanf
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>10,5<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">N. N.
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-312</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,035<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>10,5<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Dollenbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-32</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>3,055<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>2,187<span style="visibility:hidden;">0</span></td>
<td style="text-align:left"> Hanfmühle
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">0</span>10,3<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Eulenbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-392</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,536<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>9,4<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Müferpützbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-394</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>2,06<span style="visibility:hidden;">0</span><span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left"> Dahlhausen
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>9,4<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Scheußbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-4</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>5,004<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>5,876<span style="visibility:hidden;">0</span></td>
<td style="text-align:left"> Dahlhausen
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>8,3<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Derenbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-6</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>3,93<span style="visibility:hidden;">0</span><span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>3,149<span style="visibility:hidden;">0</span></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>7,9<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">N. N.
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-712</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,321<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>6,9<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Mokelbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-714</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>0,886<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left"> Röttgen
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>5,7<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Westerhausener Bach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-72</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,909<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>2,022<span style="visibility:hidden;">0</span></td>
<td style="text-align:left"> Kurenbach
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>4,4<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Kuchenbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-732</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,693<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>4,2<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Rosentaler Bach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-74</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>2,455<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>2,188<span style="visibility:hidden;">0</span></td>
<td style="text-align:left"> Lanzenbach
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>3,1<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Ingenbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-76</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,141<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>0,672<span style="visibility:hidden;">0</span></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,4<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Höhner Bach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-8</span>
</td>
<td><i><span style="white-space:nowrap">rechts</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>4,369<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:right"><span style="visibility:hidden;">000</span>3,467<span style="visibility:hidden;">0</span></td>
<td style="text-align:left">
</td></tr>
<tr>
<td style="text-align:right"><span style="visibility:hidden;">00</span>1,2<span style="visibility:hidden;">0</span>
</td>
<td style="text-align:left; font-style:italic;">Lüppigsbach
</td>
<td style="text-align:left"><span style="white-space:nowrap">27272-92</span>
</td>
<td><i>links<span style="visibility:hidden;">0</span></i>
</td>
<td style="text-align:right"><span style="visibility:hidden;">00</span>2,329<span style="visibility:hidden;">0</span>
</td>
<td></td>
<td style="text-align:left"> Hennef
</td></tr>
</tbody></table><p><b>Anmerkungen zur Tabelle</b>
</p><div class="mw-references-wrap"><ol class="references" data-mw-group="Z">
<li id="cite_note-GKZFN-9"><span class="mw-cite-backlink"><a href="#cite_ref-GKZFN_9-0">↑</a></span> <span class="reference-text"><a href="Nummerierung_von_Gew%C3%A4ssern" title="Nummerierung von Gewässern">Gewässerkennzahl</a>, in Deutschland die amtliche <a href="Gew%C3%A4sserkennzahl_(Deutschland)" title="Gewässerkennzahl (Deutschland)">Fließgewässerkennziffer</a> mit zur besseren Lesbarkeit eingefügtem Trenner hinter dem Präfix, das einheitlich für den allen gemeinsamen <a href="Vorflut#Definition" title="Vorflut">Vorfluter</a> <i>Hanfbach </i>steht.</span>
</li>
</ol></div>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-DE-RP_LANDIS-Karte-1"><span class="mw-cite-backlink"><a href="#cite_ref-DE-RP_LANDIS-Karte_1-0">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://geodaten.naturschutz.rlp.de/kartendienste_naturschutz/index.php?lang=de&zl=2&x=378800&y=5535500&bl=tk_rlp_tms_grau&bo=1&lo=1,0.6&layers=grenzen_land,landschaften&service=kartendienste_naturschutz">Kartendienst des Landschaftsinformationssystems der Naturschutzverwaltung Rheinland-Pfalz</a> (LANIS-Karte) (Hinweise)</span>
</li>
<li id="cite_note-DGK5-2"><span class="mw-cite-backlink"><a href="#cite_ref-DGK5_2-0">↑</a></span> <span class="reference-text">Deutsche Grundkarte 1:5000</span>
</li>
<li id="cite_note-DE-NW_GSK3C-3"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-DE-NW_GSK3C_3-0">a</a></sup> <sup><a href="#cite_ref-DE-NW_GSK3C_3-1">b</a></sup></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.lanuv.nrw.de/wasser/pdf/Gewaesserverzeichnis%20GSK3C.xls"><i>Gewässerverzeichnis des Landesamtes für Natur, Umwelt und Verbraucherschutz NRW 2010</i></a> (XLS; 4,67 MB)(Hinweise)</span>
</li>
<li id="cite_note-TIM-4"><span class="mw-cite-backlink"><a href="#cite_ref-TIM_4-0">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.tim-online.nrw.de/tim-online/nutzung/index.html">Topographisches Informationsmanagement, Bezirksregierung Köln, Abteilung GEObasis NRW</a></span>
</li>
<li id="cite_note-Pegel-5"><span class="mw-cite-backlink"><a href="#cite_ref-Pegel_5-0">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r261891140">
/* start https://de.wikipedia.org/ */
.mw-parser-output .webarchiv-memento a{color:inherit}
/* end https://de.wikipedia.org/ */
</style><a rel="nofollow" class="external text" href="https://web.archive.org/web/20160304185157/http://luadb.lds.nrw.de/LUA/wiski/download_jb.php?name=Geisbach&jahr=2007">Deutsches gewässerkundliches Jahrbuch Sieg/Geisbach 2007</a> (<span class="webarchiv-memento"><a href="Webarchivierung#Begrifflichkeiten" title="Webarchivierung">Memento</a></span> vom 4. März 2016 im <i><a href="Internet_Archive" title="Internet Archive">Internet Archive</a></i>) (PDF, 22,9 kB)</span>
</li>
<li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://nsg.naturschutzinformationen.nrw.de/nsg/de/fachinfo/gebiete/gesamt/SU-105"><i>Naturschutzgebiet „Hanfbach und Zuflüsse“</i></a> im Fachinformationssystem des <a href="Landesamt_f%C3%BCr_Natur%2C_Umwelt_und_Klima_Nordrhein-Westfalen" title="Landesamt für Natur, Umwelt und Klima Nordrhein-Westfalen">Landesamtes für Natur, Umwelt und Klima Nordrhein-Westfalen</a></span>
</li>
<li id="cite_note-Hanfbach-7"><span class="mw-cite-backlink"><a href="#cite_ref-Hanfbach_7-0">↑</a></span> <span class="reference-text"><span class="cite">Ines Bresler: <a rel="nofollow" class="external text" href="https://ga.de/region/sieg-und-rhein/hennef/hennef-wie-viel-hanf-ist-im-hanfbachtal_aid-89307719"><i>Wie viel Hanf ist im Hanfbachtal?</i></a> In: <i>General-Anzeiger (Bonn).</i> 9. Mai 2023,<span class="Abrufdatum"> abgerufen am 8. Juni 2025</span>.</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AHanfbach&rft.title=Wie+viel+Hanf+ist+im+Hanfbachtal%3F&rft.description=Wie+viel+Hanf+ist+im+Hanfbachtal%3F&rft.identifier=https%3A%2F%2Fga.de%2Fregion%2Fsieg-und-rhein%2Fhennef%2Fhennef-wie-viel-hanf-ist-im-hanfbachtal_aid-89307719&rft.creator=Ines+Bresler&rft.date=2023-05-09"> </span></span>
</li>
<li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text">vgl. <a href="Albrecht_Greule" title="Albrecht Greule">Albrecht Greule</a>: <cite style="font-style:italic">Deutsches Gewässernamenbuch</cite>. Walter de Gruyter, Berlin / Boston 2014, ISBN 978-3-11-057891-1, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>207<span style="display:inline-block;width:.2em"> </span>f</span>., <span style="white-space:nowrap">„Hanfbach“</span> (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=rqboBQAAQBAJ&pg=PA207f#v=onepage">Auszug</a> in der Google-Buchsuche).<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/de.wikipedia.org:Hanfbach&rft.au=Albrecht+Greule&rft.btitle=Deutsches+Gew%C3%A4ssernamenbuch&rft.date=2014&rft.genre=book&rft.isbn=9783110578911&rft.pages=207f&rft.place=Berlin+%2F+Boston&rft.pub=Walter+de+Gruyter" style="display:none"> </span></span>
</li>
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